Base | Representation |
---|---|
bin | 101010100101000… |
… | …1110001101110110 |
3 | 10200120102122222112 |
4 | 1111022032031312 |
5 | 10411224234110 |
6 | 353434531022 |
7 | 50256054401 |
oct | 12512161566 |
9 | 3616378875 |
10 | 1428743030 |
11 | 673540870 |
12 | 33a596a72 |
13 | 19a0035a0 |
14 | d7a74d38 |
15 | 85671405 |
hex | 5528e376 |
1428743030 has 64 divisors (see below), whose sum is σ = 3037741056. Its totient is φ = 476976000.
The previous prime is 1428743027. The next prime is 1428743039. The reversal of 1428743030 is 303478241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428743039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270515 + ... + 275745.
It is an arithmetic number, because the mean of its divisors is an integer number (47464704).
Almost surely, 21428743030 is an apocalyptic number.
1428743030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1428743030 is an abundant number, since it is smaller than the sum of its proper divisors (1608998026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428743030 is a wasteful number, since it uses less digits than its factorization.
1428743030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5453.
The product of its (nonzero) digits is 16128, while the sum is 32.
The square root of 1428743030 is about 37798.7173062791. The cubic root of 1428743030 is about 1126.2929739786.
The spelling of 1428743030 in words is "one billion, four hundred twenty-eight million, seven hundred forty-three thousand, thirty".
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